//
//  Student.h
//  base_m_06_内存管理
//
//  Created by China Dragon on 2023/1/26.
//

#import <Foundation/Foundation.h>
#import "Book.h"

NS_ASSUME_NONNULL_BEGIN

@interface Student : NSObject
@property int age;
@property Book *book;

-(id)initWithAge:(int)age;

@end

NS_ASSUME_NONNULL_END
